One of the many activities on hand at this weekend's Call of Duty XP event—activities that earn attendees badges of honor—is Juggernaut Sumo. The game? Put on a bulky fat suit gussied up to look vaguely like a Juggernaut from Modern Warfare 2's Spec Ops mode and... fight!

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Lines are long, rounds are short. You can see just how quickly the battle between Call of Duty XP attendee Ryan and his grandfather, a man with a flair for falling over, lasts. But it may not end the way you expect.